Fix SetRates for encoders with internal sources.

webrtc/test/fake_encoder.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_TEST_FAKE_ENCODER_H_
 #define WEBRTC_TEST_FAKE_ENCODER_H_
 
 #include <vector>
 
+#include "webrtc/base/platform_thread.h"
 #include "webrtc/common_types.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/video_encoder.h"
 
 namespace webrtc {
 namespace test {
 
 class FakeEncoder : public VideoEncoder {
  public:
   explicit FakeEncoder(Clock* clock);
@@ skipping 49 matching lines @@
   DelayedEncoder(Clock* clock, int delay_ms);
   virtual ~DelayedEncoder() {}
 
   int32_t Encode(const VideoFrame& input_image,
                  const CodecSpecificInfo* codec_specific_info,
                  const std::vector<FrameType>* frame_types) override;
 
  private:
   const int delay_ms_;
 };
+
+// An encoder that is marked as internal source, so ignores everything but

[pbos, 2016/04/07 12:20:21]

This class just looks like dead code, if it's not used in tests I think you can
remove it?

+// keyframe requests in Encode calls, and generates frames (encoded callbacks)
+// periodically.
+class InternalSourceEncoder : public test::FakeEncoder {
+ public:
+  InternalSourceEncoder(Clock* clock,
+                        uint32_t frame_period_ms,
+                        uint32_t first_frame_timestamp_ms);
+  virtual ~InternalSourceEncoder(){};
+
+  // Overridden to ignore input.
+  int32_t Encode(const VideoFrame& input_image,
+                 const CodecSpecificInfo* codec_specific_info,
+                 const std::vector<FrameType>* frame_types) override;
+  // Overridden to start frame production.
+  int32_t InitEncode(const VideoCodec* config,
+                     int32_t number_of_cores,
+                     size_t max_payload_size) override;
+  // Overridden to stop frame production.
+  int32_t Release() override;
+
+ private:
+  static bool EncoderProcess(void* encoder);
+  // Encode a fake frame. Returns true to continue background thread processing.
+  bool EncodeFrame();
+  rtc::PlatformThread thread_;
+  const uint32_t frame_period_ms_;
+  // No guard, because it is only modified on |thread_|.
+  uint32_t current_frame_timestamp_ms_;
+  rtc::CriticalSection lock_;
+  bool shutting_down_ GUARDED_BY(lock_);
+  FrameType next_frame_type_ GUARDED_BY(lock_);
+};
+
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_FAKE_ENCODER_H_